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| author | Christof Schmitt <christof.schmitt@de.ibm.com> | 2008-08-21 13:43:34 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-08-29 09:04:13 -0500 |
| commit | f48bf7fb00f74d93105ba69522a3f6c9435d6af3 (patch) | |
| tree | 291ff489bd21474114633f255228b5361e269ed7 /drivers/s390/scsi | |
| parent | 47f7bba52b01dd881fbd17b4b50c89ecf186eee2 (diff) | |
| download | kernel_samsung_aries-f48bf7fb00f74d93105ba69522a3f6c9435d6af3.zip kernel_samsung_aries-f48bf7fb00f74d93105ba69522a3f6c9435d6af3.tar.gz kernel_samsung_aries-f48bf7fb00f74d93105ba69522a3f6c9435d6af3.tar.bz2 | |
[SCSI] zfcp: Simplify ccw notify handler
The notify handler does not change the list of adapters, it only
triggers erp actions to open or shutdown the adapter. We don't
need to hold the config semaphore and wait for the erp to complete.
This is a prerequisite for a fix in the s390 common i/o code.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Petermann <martin@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/s390/scsi')
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 391dd29..51b6a05 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -152,10 +152,8 @@ static int zfcp_ccw_set_offline(struct ccw_device *ccw_device) */ static int zfcp_ccw_notify(struct ccw_device *ccw_device, int event) { - struct zfcp_adapter *adapter; + struct zfcp_adapter *adapter = dev_get_drvdata(&ccw_device->dev); - down(&zfcp_data.config_sema); - adapter = dev_get_drvdata(&ccw_device->dev); switch (event) { case CIO_GONE: dev_warn(&adapter->ccw_device->dev, "device gone\n"); @@ -174,8 +172,6 @@ static int zfcp_ccw_notify(struct ccw_device *ccw_device, int event) 89, NULL); break; } - zfcp_erp_wait(adapter); - up(&zfcp_data.config_sema); return 1; } |